30 years. He's been sitting on death row for 30 yrs and the people of TX have had to feed, house and clothe him.

He's was already on parole when he killed the cop.

April execution date set for oldest Texas death row inmate

Buntion had been on parole for just six weeks when he fatally shot Houston officer James Irby, 37, during a June 1990 traffic stop. Buntion, who had an extensive criminal record, was a passenger in the car that Irby pulled over.

“He shot a policeman in the head more than 30 years ago, and it is time that he be held accountable for his horrific crime,” said Harris County District Attorney Kim Ogg.

https://www.chron.com/news/houston-texas/article/April-execution-date-oldest-Texas-death-Houston-16751170.php